command_buffer: Implement path rendering functions for CHROMIUM_path_rendering

gpu/command_buffer/common/gles2_cmd_format.h

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 // This file defines the GLES2 command buffer commands.
 
 #ifndef GPU_COMMAND_BUFFER_COMMON_GLES2_CMD_FORMAT_H_
 #define GPU_COMMAND_BUFFER_COMMON_GLES2_CMD_FORMAT_H_
 
 
@@ skipping 52 matching lines @@
   kTextures,
   kQueries,
   kVertexArrays,
   kValuebuffers,
   kSamplers,
   kTransformFeedbacks,
   kSyncs,
   kNumIdNamespaces
 };
 
+enum RangeIdNamespaces { kPaths, kNumRangeIdNamespaces };
+
 // These numbers must not change
 static_assert(kBuffers == 0, "kBuffers should equal 0");
 static_assert(kFramebuffers == 1, "kFramebuffers should equal 1");
 static_assert(kProgramsAndShaders == 2, "kProgramsAndShaders should equal 2");
 static_assert(kRenderbuffers == 3, "kRenderbuffers should equal 3");
 static_assert(kTextures == 4, "kTextures should equal 4");
+static_assert(kPaths == 0, "kPaths should equal 0");
 
 }  // namespace id_namespaces
 
 // Used for some glGetXXX commands that return a result through a pointer. We
 // need to know if the command succeeded or not and the size of the result. If
 // the command failed its result size will 0.
 template <typename T>
 struct SizedResult {
   typedef T Type;
 
@@ skipping 262 matching lines @@
     "offset of CreateAndConsumeTextureCHROMIUMImmediate.client_id should be 8");
 
 
 #pragma pack(pop)
 
 }  // namespace cmd
 }  // namespace gles2
 }  // namespace gpu
 
 #endif  // GPU_COMMAND_BUFFER_COMMON_GLES2_CMD_FORMAT_H_